code: def find_tokens(tokens, node, not_inc_node):
      if node != not_inc_node:
          tokens.append(node.text)
          for elem in node.children:
              tokens = find_tokens(tokens, elem, not_inc_node)
      return tokens
  
file_path: DeepPavlov/deeppavlov/models/kbqa/sentence_answer.py
imports: import importlib
  import re
  from logging import getLogger
  import pkg_resources
  import spacy
label_desc: Use image node_id 1 for calling a global function with example usage: find_tokens(tokens, node, not_inc_node) and returns: tokens